(19)

(11)

EP 4 172 321 A1

(12)

(43) Date of publication: 03.05.2023 Bulletin 2023/18 (21) Application number: 21736582.4 (22) Date of filing: 23.06.2021

(51) International Patent Classification (IPC):  C12N 5/16(2006.01) G01N 33/50(2006.01) (52) Cooperative Patent Classification (CPC): C12N 5/0671; C12N 2502/28; C12N 2502/1157; C12N 2502/14; C12N 2500/25; C12N 2501/11; C12N 2501/12; C12N 2533/90 (86) International application number: PCT/EP2021/067221 (87) International publication number: WO 2021/260049 (30.12.2021 Gazette 2021/52)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 24.06.2020 EP 20305699 19.11.2020 EP 20208781 (71) Applicant: Genfit 59120 Loos (FR)	(72) Inventors: VIDAL, Guillaume 59350 SAINT-ANDRE-LEZ-LILLE (FR) WALCZAK, Robert 59000 LILLE (FR) (74) Representative: Cabinet Becker et Associés  25, rue Louis le Grand 75002 Paris 75002 Paris (FR)